Yabla video uses of 分子

gēn
空气 kōngqì
de
接触 jiēchù
面积 miànjī
jiù
比较 bǐjiào
吸附 xīfù
de
yǎng
分子 fēnzǐ
duō
its contact area with air would become quite large and the amount of absorbed oxygen molecules would be large,
dàn
口罩 kǒuzhào
de
密闭 mìbì
xìng
jiù
决定 juédìng
le
口罩 kǒuzhào
不可能 bùkěnéng
百分之百 bǎifēnzhībǎi
de
阻挡 zǔdǎng
悬浮 xuánfú
颗粒 kēlì
分子 fēnzǐ
but because the masks are not completely airtight, they cannot block 100% of particles.